Indie puzzle platformer Monument Valley has seen a significant boost on mobile downloads charts thanks to an appearance in the recently released third season of House of Cards.

Main character Frank Underwood (Kevin Spacey) is seen playing and describing the game in the fifth episode of the hit Netflix series. As a result, the game has soared into the top 10 top paid apps on iTunes, and is currently number three in the paid games category on the Google Play store. The game did not rank in the top 25 on either app store before appearing on the show.

Speaking at GDC 2015, ustwo lead designer Ken Wong said the show’s producers reached out to the developer about the game appearing in House of Cards at no cost to the studio, according to IB Times.

“They called us up and they said, ‘Can we use your game?’ and we said ‘Yes,’” Wong said.

Wong also said the studio has spent nothing on marketing Monument Valley, which has generated over $5.8 million with close to 2.5 million copies of the game sold since its release. These numbers don’t factor in sales after appearing on House of Cards.

Exit Theatre Mode

To put these numbers further into perspective, earlier this year, ustwo revealed that 95% of Monument Valley players didn’t pay for the game, which the studio considers “free marketing.”

Recently, the 2015 BAFTA Games Award nominees were revealed and Monument Valley garnered five nominations, including Artistic Achievement, Best Game, British Game, Mobile & Handheld, and Original Property.

Michael Martin is a freelance writer from Seattle who is hopelessly addicted to pop culture t-shirts. Send help on Twitter.